Compare three very similar examples from the collection of Hon. Mountstuart William Elphinstone, now in the Sir Percival David Collection in the British Museum, London, the first published in Margaret Medley, Illustrated Catalogue of Ming and Ch'ing Monochrome in the Percival David Foundation of Chinese Art, London, 1973, cat. no. B526; and a slightly larger pair, with the reign marks inscribed within double circles, published on the Museum’s website, accession nos PDF, B.524 and 525, the former illustrated in Rosemary E. Scott, Percival David Foundation of Chinese Art, London, 1989, pl. 97 bottom, second from right. Compare another lime-green enamelled cup, potted with deeper sides, offered in this sale, lot 3105.

Cups of this charming hemispherical form were also covered in various enamels in the Yongzheng period, including lemon-yellow, rose-pink, and even turquoise. See two related examples with the reign marks similarly inscribed within single circles; the first vibrantly covered on the exterior in a pink enamel and decorated on the interior with fruits; the second enamelled turquoise-blue on the exterior, respectively sold in these rooms, 4th April 2012, lots 1 and 2, from the Meiyintang collection.